Kryptonite Front/rear light kit Alley (x2) Noir KRY004547

F-800 bright LED 800 lumens max output. r-75 comb bright LED 75 lumens max output 24 hours of runtime on economic flash mode (f-800). 10 hours of runtime on economic flash mode (r-75 comb). USB rechargeable internal lithium Ion battery F-800 has 6 modes. high steady, medium steady, low steady, daytime Pulse, nighttime Pulse, economic flash. r-75... morecomb has 6 modes. high flash, medium steady, low steady, daytime Pulse, nighttime Pulse, economic flash Multi-fit quick release system allows for tool-free mounting on handle bars, seat posts, or frame tubes Two year limited